Product Highlights • Convenient, easy to use • A packet of 2 pieces in black • M6male thread, 5mm thread • Unthreaded part: 13mm • Material:aluminum alloy Product Description •The CAMVATE M6 Thumbscrew Assembly Knob is made of aluminum by CNC machine. It is super convenient and easy to use. •The specification of threaded part is M6* 5mm and unthreaded part measured 13mm long. It is widely compatible with rosette mount, extension arm and all standard M6 threaded accessories, such as camera rig, cage, QR plate, shoulder support, and more.